Multiple choice general knowledge science & technology

Total volume of blood in a normal adult human being is

  1. 5-6 liters

  2. 3-4 liters

  3. 10-12 liters

  4. 8-10 liters
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A Correct answer
Explanation

An average adult human has approximately 5-6 liters of blood, which represents about 7-8% of total body weight. This volume can vary slightly based on body size, gender, and overall health. 3-4 liters is too low, while 8-12 liters would be excessive.

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